http://www.RealClearPolicy.com/authors/rss/archive/23061.xmlAuthor https://www.seattletimes.com/business/737-max-crashes-make-it-the-most-troubled-airliner-debut-in-modern-aviation/ Thu, 14 Mar 2019 00:00:00 -0500 Paul Roberts http://www.popsci.com/technology/article/2011-06/last-drops-how-bridge-gap-between-oil-and-green-energy Wed, 13 Jul 2011 00:00:00 -0500 Paul Roberts